html {
  box-sizing: border-box;
}

body{ text-align:center} 
#login{margin:0 auto;border:2px solid #000;width:400px;height:250px;line-height:40px;}
a:link { color:black; }
a:visited { color:black; }
a:link { 
text-decoration: none; 
} 
a:visited { 
text-decoration: none; 
} 
a:hover { 
text-decoration: none; 
} 
a:active { 
text-decoration: none; 
} 

#maintop{margin:3px auto;border:1px solid #000;width:100%;height:50px;line-height:50px; font-size:25px; background-color:#E7F3FF;} 
#maincaidan{margin:3px auto;border:1px solid #000;width:100%;height:50px;line-height:45px; font-size:14px; background-color:#E7F3FF;} 
#colee{ text-align:left;:3px auto;border:1px solid #000;width:100%;height:50px;line-height:45px; font-size:14px; background-color:#E7F3FF;} 
#mainyonghulist{margin:3px auto;border:1px solid #000;width:100%;height:100%;line-height:30px; font-size:14px; background-color:#E7F3FF;}
#mainyonghulist b{font-size:22px; font-weight:bold; }
#maincaidan a {border:1px solid #005132; padding:5px;}
#kongzhi{margin:3px auto;border:1px solid #000;width:100%;height:100%;line-height:30px; font-size:14px; background-color:#E7F3FF;}
 